exportPattern("^[^\\.]")
import(Formula)
S3method(hist, eba)
S3method(print, eba)
S3method(summary, eba)
importFrom("graphics", "abline", "curve", "hist", "lines", "par",
             "plot")
  importFrom("methods", "is")
  importFrom("stats", "as.formula", "density", "dnorm", "lm", "logLik",
             "model.frame", "model.matrix", "pnorm", "qnorm", "quantile",
             "sd", "weighted.mean")
  importFrom("utils", "combn")